Body cavity is the cavity present between body wall and gut wall. In some animals the body cavity is not lined by mesoderm. Such animals are called ________________.

Question

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Answer 1

Acoelomates are characterised by absence of coelom or body cavity while coelomates are those organisms where mesoderm lines the coelom. Pseudocoelomates are those, which have a body cavity (derived from blastocoel of embryo) but is not lined with mesoderm, e.g., roundworms.
Hence the correct option is B.

Answer 2

Acoelomates are characterised by absence of coelom or body cavity while coelomates are those organisms where mesoderm lines the coelom. Pseudocoelomates are those, which have a body cavity (derived from blastocoel of embryo) but is not lined with mesoderm, e.g., roundworms.

Hence the correct option is B.

Body cavity is the cavity present between body wall and gut wall. In some animals the body cavity is not lined by mesoderm. Such animals are called ________________.

Acoelomate

Pseudocoelomate

Coelomate

Haemocoelomate

Body cavity lying between the digestive tract and body wall that is completely lined by mesoderm is .......................

Body cavity lined by mesoderm is

What is the fluid-filled body cavity present between the alimentary canal and the body wall? How presence or absence of this cavity is used in classifying animals. And does a human have this cavity?

Explain body cavity or coelom in animals.

Body cavity between the body wall and internal organs is called ______________

Revise with Concepts

Classification of Kingdom Animalia